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#include "stdafx.h"
#include "net.minecraft.world.entity.ai.control.h"
#include "net.minecraft.world.entity.h"
#include "LeapAtTargetGoal.h"
LeapAtTargetGoal::LeapAtTargetGoal(Mob *mob, float yd)
{
target = weak_ptr<LivingEntity>();
this->mob = mob;
this->yd = yd;
setRequiredControlFlags(Control::JumpControlFlag | Control::MoveControlFlag);
}
bool LeapAtTargetGoal::canUse()
{
target = weak_ptr<LivingEntity>(mob->getTarget());
if (target.lock() == nullptr) return false;
double d = mob->distanceToSqr(target.lock());
if (d < 2 * 2 || d > 4 * 4) return false;
if (!mob->onGround) return false;
if (mob->getRandom()->nextInt(5) != 0) return false;
return true;
}
bool LeapAtTargetGoal::canContinueToUse()
{
return target.lock() != nullptr && !mob->onGround;
}
void LeapAtTargetGoal::start()
{
// TODO: move to control?
double xdd = target.lock()->x - mob->x;
double zdd = target.lock()->z - mob->z;
float dd = sqrt(xdd * xdd + zdd * zdd);
mob->xd += (xdd / dd * 0.5f) * 0.8f + mob->xd * 0.2f;
mob->zd += (zdd / dd * 0.5f) * 0.8f + mob->zd * 0.2f;
mob->yd = yd;
}
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